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High-availability method and device of distributed document system cluster

A distributed file and cluster technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as user loss, interruption of user applications, and inability to fully guarantee data security.

Active Publication Date: 2013-01-09
INSPUR BEIJING ELECTRONICS INFORMATION IND
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Problems solved by technology

[0002] At present, the high-availability mechanism of the cluster file system is an important part. If there is no high-availability, the security of the data cannot be fully guaranteed, and if the cluster node fails, the user's application will be interrupted, which may bring greater losses to the user. ;In addition, there are many high-availability software on the market, most of which adopt the master-slave switching mode, that is, the volume storing user data is used as a high-availability resource, and the volume is shared storage, so that when one node fails, other The node can take over the resource to ensure that the data is not lost
In this way, the user's application will still be interrupted, so the existing high availability method needs to be improved

Method used

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Embodiment Construction

[0025] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other arbitrarily if there is no conflict.

[0026] The embodiment of the present invention provides a method for realizing high data availability. One or more copies of data are generated at the same time when data is written, and the data and data copies can be written in parallel to the data storage cluster, which realizes the cluster in disguised form. Between high availability.

[0027] The implementation of the present invention provides a distributed file system cluster high availability method, including:

[0028] When a data write request is received, at least one data copy is generated for the data to be written, and the data ...

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Abstract

The invention provides a high-availability method of a distributed document system cluster. The high-availability method of the distributed document system cluster comprises the steps of: generating at least a data copy for data to be written in when a data writing-in request is received; and writing in the data to be written in and the data copy thereof into a data storage cluster in parallel. The invention also provides a high-availability method of the distributed document system cluster. A client end module receives the data writing-in request and the data to be written in, sends a writing request to a high-availability module; and the high-availability module generates at least a data copy for the data to be written in and writes in the data to be written in and the data copy thereof into the data storage cluster in parallel. The high-availability method and device of the distributed document system cluster, disclosed by the invention, have the advantages of guaranteeing data to be not lost to the maximum degree, maintaining data safety and improving reading performances of the cluster.

Description

Technical field [0001] The present invention relates to a file system, in particular to a high-availability method and device of a distributed file system cluster. Background technique [0002] At present, the high availability mechanism of the cluster file system is an important part. If there is no high availability, the security of the data cannot be fully guaranteed, and if the cluster node fails, the user's application will be interrupted, which may cause large losses to the user ; In addition, there are many high-availability software on the market, most of the high-availability software adopts the master-slave switching mode, that is: the volume storing user data is used as a highly available resource, and the volume is shared storage, so that when a node fails, other The node can take over the resource to ensure that data is not lost. In this way, users' applications will still be interrupted. Therefore, the existing high-availability methods need to be improved. Summar...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 胡振
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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